CN201762874U - Organic flame-retardant composite box for filling hollow floor slab - Google Patents
Organic flame-retardant composite box for filling hollow floor slab Download PDFInfo
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- CN201762874U CN201762874U CN2010201766481U CN201020176648U CN201762874U CN 201762874 U CN201762874 U CN 201762874U CN 2010201766481 U CN2010201766481 U CN 2010201766481U CN 201020176648 U CN201020176648 U CN 201020176648U CN 201762874 U CN201762874 U CN 201762874U
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- casing
- flame retardant
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- light solid
- cassette ceiling
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Abstract
The utility model provides an organic flame-retardant composite box for filling a hollow floor slab, having light weight, easy manufacture and anti-breaking and impermeable surface. The composite box comprises a light solid box and a hard shell layer coated on the outer surface of the light solid box, and the hard shell layer is a hard organic composite layer which at least comprises a fiber mesh layer and dopes construction adhesives in cement slurry, cement mortar or plaster or adopts polymer cement slurry or polymer cement mortar. The utility model has light total weight, is hardly deformed in construction, resists slag and crack, has low water absorption rate, simple structure, simple manufacture method and low manufacture cost and is suitable for filling formed holes of various hollow floor covers.
Description
Technical field
The utility model relates to concrete hollow floor cast-in-site building unit, relates in particular to a kind of filling concrete inorganic compounding casing of light solid.
Background technology
In order to alleviate the dead load of concrete building cover plate better, the deflection deformation of control floor, and the saving reinforcing bar, reduce comprehensive cost, to meet low-carbon (LC), energy-saving and environmental protection requirement, the floor design cast-in-place concrete hollow floor slab technology that adopt more, the one-tenth pole that it adopted, or claim internal mold, be divided into two classes, one class is hollow tube core casing, for example all kinds of thin-wall hollow pipes; One class is cylindrical shell, the block of light solid, for example the disclosed a kind of cast-in-situ concrete hollow floor filling rod of Chinese patent ZL200720030993.2.
But, existing all kinds of hollow thin-wall pipe fittings, control the wall thickness of hollow section as much as possible because of needs, with the control member overall weight, its wall thickness is restricted, even on tube wall, add enhancement Layers such as glass fabric, still can not avoid it in making maintenance and use, to cause waste product or infringement cast-in-situ floor architecture quality because of the external force breakage.And existing light solid tube, block, owing to can't solve tube, block surface permeability problems, its lightweight foam material that adopts can suck concrete grout in cast-in-place process, thereby can't effectively reach the loss of weight standard.
Chinese patent ZL200610169107.4 provides a kind of light carcass mould member for in-situ casting, this form element comprises polyhedron solid light material members, the external surface of polyhedron solid light material members has wrapped cement paste or cement mortar or Cement fibre slurry or Cement fibre net mortar or cement wire mesh mortar or concrete theca externa, to guarantee the unlikely suction of light material, the segregation of carcass, reduce the breakage rate of form element, improve the Cast-in-place Concrete Building Floor quality.But, light tyre moulding member with said structure, perhaps difficulty is complicated relatively for manufacture process, is unfavorable for the reduction of building unit cost, perhaps can not effectively solve the problem of theca externa intensity and toughness deficiency, in carrying, installation and use, its theca externa fragility is big, Yi Qisha cracking, not environmental protection, product surface is yielding in work progress simultaneously, can't fully guarantee the cast-in-situ concrete hollow floor architecture quality; Secondly, in manufacturing process, basic caking property is bad, and the overlay film fabricating quality is difficult for assurance, and because of easy dehydration dusting when carrying out maintenance, dry linting cracking, can only carry out indoor maintenance, has further strengthened cost of goods manufactured, does not possess the condition of production in enormous quantities.
Chinese patent ZL200720309179.4 provides a kind of lightweight foam material filling member, and it comprises the main body and the outer intensive aspect of this main body of lightweight foam material, and described intensive aspect is one layer tape or cloth.This filling member light weight, simple for production, but still do not have enough resistance to compression bearing capacities and cause in the construction obturator yielding, can't guarantee the protective layer thickness of reinforcing bar influences workmanship.There is inflammable hidden danger in this series products simultaneously, also can correspondingly be reduced by the fire resistance rating of the floor product of this filling member production.And improve the fire resistance of building unit, to reduce the loss of fire incident, also be one of major issue of paying close attention to all the time of building trade.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of in light weight, simple and easy and surperficial compound casing of hollow building cover filling that is difficult for breaking and permeates of making.
The utility model comprises the light solid casing, and the hard shell that is coated on the light solid box outer surface, described hard shell is for including one deck fiber mesh layer at least, and adopts polymer water mud or polymer cement mortar to form hard inorganic compounding layer.
Described polymer cement mortar comprises polymer reinforcing mortar, epoxy mending mortar, polymer cement-base waterproof coating, high-strength osmotic polymer mortar etc.
Because the utility model adopts polymer cement (sand) slurry, forms hard inorganic compounding layer, it has the following advantages with respect to existing Cement fibre net mortar:
1, caking property significantly strengthens, and the hard shell of product easily is shaped, and is difficult for dehydration, dusting, dry linting, is beneficial to environmental protection; Be easier to floatingly simultaneously, form the uniform shell of thickness, can form the thinner shell of thickness thus, make the product overall weight lighter.
2, with respect to the theca externa that is formed by Cement fibre net mortar, be significantly improved on cracking resistance, breaking resistance significantly improves, and can avoid product problem easy to crack in production and construction use fully; Simultaneously, improved the water retention property of hard shell, the theca externa fragility that efficiently solves existing product is big, intensity is low, easy dehydration, dusting, dry linting, cracking during field curing, and it is bad to bond substantially, fabricating quality is difficult for shortcomings such as assurance, can further reduce production costs.
3, rigidity strengthens, and has extremely good resistance to compression load-carrying properties and good deformation-recovery performance, further guarantees the bonding bond stress between the reinforcing bar and concrete in the cast-in-place notes process, guarantees superstructure casting quality and building structure performance.
Described hard inorganic compounding layer also can be rapid setting cement fleece slurry glue-line or the rapid setting cement fleece mortar glue-line that adopts the aluminium sulfate rapid setting cement to form.That is: in described cement paste or the cement mortar, the cement that is adopted can be Portland cement or portland cement, but be preferably the aluminium sulfate rapid setting cement, behind the interpolation adhesive for building, to form rapid setting cement fleece slurry glue-line or rapid setting cement fleece mortar glue-line.Select the aluminium sulfate rapid setting cement for use, can significantly accelerate the production progress, and can form the hard shell of more efficiently anti-seepage fire-retardant.Certainly,,, can also in cement layer, add the Admixture of diminishing early-strength, the preparation method of the early-strong-fast-hard cement that is provided as reference ZL200510096428.1 for further enhance production progress according to practical condition.
Described fiber mesh cloth can be selected for use has certain flexible fiber mesh cloth for building arbitrarily, but in order to alleviate deadweight better and to obtain better tensile strength, and reduce production costs preferred glass fibers screen cloth or polypropylene fiber mesh cloth.
Mix the cracking resistance reinforce in the described hard inorganic compounding layer,, can further strengthen the crack resistance of hard shell as glass fiber, polypropylene fiber, hair etc.
In addition, for further improving the resistance to compression bearing capacity of compound casing, guarantee that its hard shell does not in use break, in the described light solid casing body or its main stress surface be provided with reinforcing rib or stiffener, or be pasted with the hard enhancement Layer on its main stress surface.Described reinforcing rib and stiffener can be lightweight PU pipe or plate, and this reinforcing rib or stiffener should be wrapped in the hard shell.Described hard enhancement Layer can be Cement fibre cloth (sand) slurry layer, also can only be cement (sand) the slurry layer of thickening.
For improving the fire resistance of product, described light solid casing is the flame retardant type foams, as is added with the light flame-retardant constructional materials such as foamed gypsum, foamed plastics, foamed concrete of fire retardant.The compound casing that adopts flame retardant type foams and hard inorganic compounding layer to form can realize that secondary is fire-retardant, and the product naked light can't be lighted, thereby guarantees the security against fire of job site and avoid the generation of secondary disaster.
Have certain intensity and toughness when making the solid case body quality lighter, convenient processing, and have good deformation-recovery, the optional polyphenyl foam body of the utility model is as the light solid casing.
Described light solid casing has at least four seamed edges that are parallel to each other to fall into fillet or oblique angle, or have at least two relative arcuate flanks or an inclined-plane, can make things convenient for casing construction colligation on the one hand, be difficult for because of colligation makes the breakage of casing seamed edge, blanking is smooth and easy when making concrete pouring simultaneously.
Can offer the cast-in-place material guide hole of perforation on the described light solid casing; to guarantee that the concrete pouring blanking is to tank floor; and effectively discharge when watering material to buoyancy, also can conveniently insert vibrating head, effectively to prevent forming voids and pits or cavity because of concrete vibrating is unreal.According to the actual specification of light solid casing, can on the light solid casing, offer a plurality of cast-in-place material guide holes.
Described light solid casing is provided with the anti-floating draw piece on two relative sides, as rope band, iron wire etc., so that install and use at the scene.
The upper port of cast-in-place material guide hole is provided with the anti-floating draw piece; Described anti-floating draw piece comprise that level hangs or holding at the fixed bar of cast-in-place material guide hole upper port, and to be fixed on the fixed bar be part, as rope band, iron wire etc., simplifies on-the-spot the installation.
The utility model is with respect to existing light solid loose tool body, and its resistance to compression carrying and cracking resistance obviously strengthen.The utility model 500mm * 500mm shaped article measures by the CECS175:2004 standard, and its 100cm resistance to compression load performance is under the 500N load, and surface layer is not damaged to come off; Deformation-recovery rate 〉=95% behind the 100cm resistance to compression load 500N.
The utility model oeverall quality is light, has enough intensity and toughness, and is not yielding, cracked, is convenient to transportation, construction and installation are easy, and water absorption rate is low, and be easy to concrete cast and flow, and simple in structure, make simple and easyly, cost is low, is applicable to that the concrete of all kinds of hollow building covers is filled.
Description of drawings
Fig. 1 is the utility model embodiment 1 described multiple unit tube body structure schematic diagram;
Fig. 2 is the longitudinal section schematic diagram of the utility model embodiment 1 described compound casing along center line;
Fig. 3 is the longitudinal section schematic diagrames of the utility model embodiment 2 described compound casings along center line;
Fig. 4 is the longitudinal section schematic diagrames of the utility model embodiment 3 described compound casings along center line.
The specific embodiment
At compound casing described in the utility model, can preferably following embodiment:
Embodiment 1:
As shown in Figures 1 and 2, hollow building cover described in the utility model is filled and is used compound casing, comprises polyphenyl foam solid case body 1, and the external surface of described polyphenyl foam solid case body 1 is coated with hard shell 2; Described hard shell is formed by the Cement fibre net rubber cement that contains glass fiber mesh layer of cloth 3.According to the actual needs of compressive strength, glass fiber mesh layer of cloth 3 can be provided with one or more layers.Vertical seamed edge 4 of polyphenyl foam solid case body 1 all falls into fillet.So the compound casing that forms also has down four vertical seamed edges of fillet.The center of polyphenyl foam solid case body 1 offers cast-in-place material guide hole 5.
Embodiment 2:
As shown in Figure 3, described hollow building cover is filled and is used compound casing, and its structure is substantially the same manner as Example 1, and difference only is: polyphenyl foam solid case body 1 has two relative arcuate flanks, and so the compound casing that forms also has two relative arcuate flanks 6; The upper port of cast-in-place material guide hole 5 is provided with the anti-floating draw piece; Described anti-floating draw piece comprises that level is hung on the fixed bar 7 of cast-in-place material guide hole 5 upper port, and to be fixed on the fixed bar 7 be part 8.
Embodiment 3:
As shown in Figure 4, described hollow building cover is filled and is used compound casing, its structure is substantially the same manner as Example 1, and difference only is: be coated with rapid setting cement enhancement Layer 9 on the hard shell 2 at the main stress surface place of compound casing, mix the cracking resistance glass fiber in the rapid setting cement enhancement Layer 9; Be respectively arranged with anti-floating draw piece 10 in the two sides of compound casing.
Claims (8)
1. a cassette ceiling is filled with the compound casing of inorganic flame retardant, comprise the light solid casing, and the hard shell that is coated on the light solid box outer surface, it is characterized in that: described hard shell is for including one deck fiber mesh layer at least, and adopts polymer water mud or the formed hard inorganic compounding of polymer cement mortar layer.
2. cassette ceiling according to claim 1 is filled with the compound casing of inorganic flame retardant, it is characterized in that: rapid setting cement fleece slurry glue-line or rapid setting cement fleece mortar glue-line that described hard inorganic compounding layer forms for adopting the aluminium sulfate rapid setting cement.
3. cassette ceiling according to claim 1 and 2 is filled with the compound casing of inorganic flame retardant, and it is characterized in that: described light solid casing is the flame retardant type foams.
4. cassette ceiling according to claim 1 and 2 is filled with the compound casing of inorganic flame retardant, and it is characterized in that: described light solid casing has at least four seamed edges that are parallel to each other to fall into fillet or oblique angle, or has at least two relative arcuate flanks or inclined-plane.
5. cassette ceiling according to claim 1 and 2 is filled with the compound casing of inorganic flame retardant, it is characterized in that: the cast-in-place material guide hole that offers perforation on the described light solid casing.
6. cassette ceiling according to claim 1 and 2 is filled with the compound casing of inorganic flame retardant, and it is characterized in that: described light solid casing is provided with the anti-floating draw piece on two relative sides.
7. cassette ceiling according to claim 5 is filled with the compound casing of inorganic flame retardant, and it is characterized in that: the upper port of described cast-in-place material guide hole is provided with the anti-floating draw piece; Described anti-floating draw piece comprise that level hangs or holding at the fixed bar of cast-in-place material guide hole upper port, and to be fixed on the fixed bar be part.
8. cassette ceiling according to claim 1 and 2 is filled with the compound casing of inorganic flame retardant, it is characterized in that: in the described light solid casing body or its main stress surface be provided with reinforcing rib or stiffener, or be pasted with the hard enhancement Layer on its main stress surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201766481U CN201762874U (en) | 2010-02-09 | 2010-04-06 | Organic flame-retardant composite box for filling hollow floor slab |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020111243.X | 2010-02-09 | ||
| CN201020111243 | 2010-02-09 | ||
| CN2010201766481U CN201762874U (en) | 2010-02-09 | 2010-04-06 | Organic flame-retardant composite box for filling hollow floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201762874U true CN201762874U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201766481U Ceased CN201762874U (en) | 2010-02-09 | 2010-04-06 | Organic flame-retardant composite box for filling hollow floor slab |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165320A (en) * | 2016-03-07 | 2017-09-15 | 王清 | A kind of netted box-shaped Cavity structural member of special type closing in for the built-in filling of cast-in-situ hollow building roof |
| CN107165321A (en) * | 2016-03-07 | 2017-09-15 | 王清 | A kind of cast-in-situ hollow building roof filled with the extraordinary netted box-shaped Cavity structural member that closes up |
| CN114033088A (en) * | 2021-11-19 | 2022-02-11 | 浙江恒宸建设集团有限公司 | Anti-floating construction method for cast-in-place concrete hollow floor |
-
2010
- 2010-04-06 CN CN2010201766481U patent/CN201762874U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165320A (en) * | 2016-03-07 | 2017-09-15 | 王清 | A kind of netted box-shaped Cavity structural member of special type closing in for the built-in filling of cast-in-situ hollow building roof |
| CN107165321A (en) * | 2016-03-07 | 2017-09-15 | 王清 | A kind of cast-in-situ hollow building roof filled with the extraordinary netted box-shaped Cavity structural member that closes up |
| CN114033088A (en) * | 2021-11-19 | 2022-02-11 | 浙江恒宸建设集团有限公司 | Anti-floating construction method for cast-in-place concrete hollow floor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHANGHAI LIXIN ARCHITECTURE SCIENCE & TECHNOLOGY CO., LTD. Assignor: Nanjing Jianyan Sci&Tech Co., Ltd. Contract record no.: 2013320000719 Denomination of utility model: Inorganic flame retardant composite box for filling hollow floorslab and manufacturing method thereof Granted publication date: 20110316 License type: Exclusive License Record date: 20131014 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20151030 Decision number of declaring invalidation: 27114 Granted publication date: 20110316 |